Download - Discover the Power of PXI

National Instruments Confidential

Discover the Power of PXI

Andrew LyubenkoFSE in Siberia

National Instruments Confidential 2

1965 1987 1995 1997

VXIGPIB Compac

t PCI

PXI

Instrumentation Timeline


What is PXI?• PXI = PCI eXtensions for Instrumentation• Open specification governed by the PXI Systems

Alliance (PXISA) and introduced in 1997• PC-based platform optimized for test,

measurement, and control• PCI electrical-bus with the rugged, modular,

Eurocard mechanical packaging of CompactPCI• Advanced timing and synchronization features


PXI Systems Alliance (PXISA)• Founded in 1998• PXISA Goals:

– Maintain the PXI specification– Ensure interoperability– Promote the PXI standard

• Currently 68+ Members Comprise PXISA• PXISA Website (www.pxisa.org)

– Specifications– Tutorials, Application Notes, and White Papers– Locate member companies and products


Complete list at pxisa.org

Partial PXISA Member List


PXI SpecificationMechanical• High-performance connectors• Eurocard mechanical packaging• Forced-air cooling by chassis• Environmental testing• Electromagnetic testingElectrical• Industry-standard PC buses• System reference clocks• Star trigger buses• PXI trigger busSoftware• Microsoft Windows software frameworks • Software components that define HW configuration and capabilities• Virtual Instrument Software Architecture (VISA) implementation


PXI Backplane•PCI/PCI Express bus•Synchronization

Peripheral Slots

Chassis

PXI Controller• Embedded PC, remote PC or remote laptop interface• Runs all standard software

PXI System Overview


Embedded PXI System Controllers

Windows-Based Embedded Controllers• High-performance• Integrated peripherals• Entire system in one chassis

Real-Time Embedded Controllers• Determinism and reliability with LabVIEW Real-Time • Select high-performance or low-cost/low-power• Headless operation


Remote PXI System ControllersPC Control of PXI• Use latest high-performance PCs

• PCI Express with MXI-Express• PCI with MXI-4

• High-speed, software transparent links• Up to 110 MB/s sustained throughput

• Build multi-chassis PXI systems• Copper and fiber-optic cabling options

Laptop Control of PXI• Use latest high-performance laptop computers

• ExpressCard with ExpressCard MXI• PCMCIA CardBus

• High-speed, software transparent links• Up to 110 MB/s sustained throughput

• PXI controllers for portable applications• Use with DC-powered chassis for mobile systems


PXI ChassisChassis Offering• 4, 6, 8, 14, and 18-slot• Portable, benchtop, and rack-mount• AC and DC options• PXI/SCXI combination chassis with integrated signal conditioning


Data Acquisition and Control

Multifunction I/O

Analog Input/Output

Digital I/O

Counter/Timer

FPGA/Reconfigurable I/O

Machine Vision

Motion Control

Signal Conditioning

Temperature

Strain/Pressure/Force/Load

Synchro/Resolver

LVDT/RVDT

Many More. . .

Modular Instrumentation

Digital Waveform Generator

Digital Waveform Analyzer

Digital Multimeter

LCR Meter

Oscilloscope/Digitizer

Source/Signal Generator

Switching

RF Signal Generator

RF Signal Analyzer

RF Power Meter

Frequency Counter

Programmable Power Supply

Many More. . .

Bus Interfaces

Ethernet, USB, FireWire

SATA, ATA/IDE, SCSI

GPIB

CAN, DeviceNet

Serial RS-232, RS-485

VXI/VME

Boundary Scan/JTAG

MIL-STD-1553, ARINC

PCMCIA/CardBus

PMC

Profibus

LIN

Many More. . .

Others

IRIG-B, GPS

Direct-to-Disk

Reflective Memory

DSP

Optical

Resistance Simulator

Fault Insertion

Prototyping/Breadboard

Graphics

Audio

Many More. . .

Wide Range of PXI Modules


What’s New in PXI?

PXI Express• Increases throughput with 2.0 GB/s per slot dedicated

bandwidth• Industry’s best synchronization and latency specification• Ensures compatibility with your existing software and all

1000+ PXI modules


Expanding Our PXI Portfolio

Good (PXI)• Low Cost• PCI based• General purpose data

acquisition, bus interfaces, motion control

• MXI-Express PXI-8184, PXI-8145, PXI-1036

Better (PXI) • High Performance &

Power• PCI based• General purpose

automated test, high channel count data acquisition

• Fiber-Optic MXI, PXI-8196, PXI-8196 RT, PXI-1045

Best (PXI Express)• High Performance,

Power, & Bandwidth• PCI Express based• High frequency or

resolution IF/RF, high speed digital interfaces, high speed imaging

• PXIe MXI-Express, PXIe-8103, PXIe-1062

Lowering Cost Improving Performance


Industry Bus Performance

Decreasing (Improving) Latency

Incr

easi

ng (I

mpr

ovin

g) B

andw

idth

1

10

100

1000

10000

0.1110100100010000Approximate Latency (usec)

Max

Ban

dw

idth

(M

byt

es/s

)

PCI (32/33)

PCI Express (x4)

HS-GPIB

Gigabit Enet

Fast EnetIEEE 1394a

USB 2.0

USB 1.1

Decreasing (Improving) Latency

Incr

easi

ng (I

mpr

ovin

g) B

andw

idth

GPIB (488.2)

VXI


Dedicated Bandwidth per Device


What’s New in PXI?

PXI Express• Increases throughput with 2.0 GB/s per slot dedicated

bandwidth• Industry’s best synchronization and latency specification• Ensures compatibility with your existing software and all

1000+ PXI modules


Increased BW Enables New Applications• PXI applications requiring PCI bandwidth

– General purpose automated test (DMMs, switching, baseband instruments, etc)

– General purpose data acquisition (AI, AO, DIO, etc)– Bus interfaces (CAN, 1553, ARINC, etc)– Motion control

• PXI applications requiring PCI Express bandwidth– High frequency, resolution IF / RF systems– High speed digital interfaces– High channel count data acquisition– High speed imaging


PXI Trigger Bus (8 TTL Triggers)

PXI E

xpre

ss

Sys

tem

Co

ntr

oll

er

Star Trigger

100 MHzDifferential CLK

Differential Star Triggers

PXI

PXI Express

SYNC Control

SYNC100

10 MHzCLK

PX

I E

xpre

ss S

yste

mT

imin

g S

lot

PX

I Exp

ress

Hyb

rid

P

erip

her

al

PX

I Exp

ress

Hyb

rid

P

erip

her

al

PX

I Exp

ress

Hyb

rid

P

erip

her

al

PX

I P

erip

her

al


PXI Trigger Bus (8 TTL Triggers)

PXI E

xpre

ss

Sys

tem

Co

ntr

oll

er

Star Trigger

100 MHzDifferential CLK

Differential Star Triggers

PXI

PXI Express

SYNC Control

SYNC100

10 MHzCLK

PX

I E

xpre

ss S

yste

mT

imin

g S

lot

PX

I Exp

ress

Hyb

rid

P

erip

her

al

PX

I Exp

ress

Hyb

rid

P

erip

her

al

PX

I Exp

ress

Hyb

rid

P

erip

her

al

PX

IP

erip

her

al


PXI and Hybrid Slots Ensure Compatibility


Key PXI Features• Eases system integration

– Current product offering >1000 PXI modules– Integrate with existing GPIB, Serial, VXI systems– Future expandability

• Modularity – “Buy only what you need”• PC-feel• Advanced Timing and Synchronization• Uses Standard Technology• User Defined Systems

Real Time Architectures on PXI

Non-Deterministic Deterministic


HW-Timed I/O

Software Task 1

Clock

I/O ElementController

Data Bus

Non-Deterministic

Deterministic

DAC

FIFONon-RT OSWindows, Linux, etc.


Clocked I/O

Software Task 1

Controller

Non-Deterministic

Deterministic

I/O Element

DAC

Non-RT OSWindows, Linux, etc.

PXI Timing Backplane

DAC ADC

PXI System


PXI System

RTOS

Software Task 1

Controller

Non-Deterministic

Deterministic

I/O Element

DAC

RTOSLVRT, RT Linux


DAC ADC


Software Task 1

Non-RT OSWindows, Linux, etc.

On-Board Processing

Controller

Non-Deterministic

Deterministic

I/O Element

DAC


ADC

FPGA

Task2

ADC

Smart I/O Element “RIO”

PXI System


PXI Products Serves Many Applications

Benchtop Rack-Mount Portable / Embedded•Manufacturing Test•Design Validation•Data Acquisition Systems•Hardware-in-the-Loop

•Manufacturing Test•Data Acquisition Systems•Machine Monitoring and Control

•In-Vehicle Systems•Design Validation•Rapid Control Prototyping


Additional Information:

www.pxisa.orgwww.ni.com/pxi

Download - Discover the Power of PXI

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